關於「Haversine formula vs spherical law cosines」標籤，搜尋引擎有相關的訊息討論：

Why is law of cosines more preferable than haversine when ...gis.stackexchange.com › questions › why-is-law-of-cosines...Difference between haversine and law of cosines - Physics Forumswww.physicsforums.com › threads › difference-between-h...Which one is the best for small dist